6-Nitro-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-diyl diacetate CAS 53299-21-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 53299-21-1 |
| Molecular Formula | C24H15NO9 |
| Molecular Weight | 461.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Nitro-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-diyl diacetate (CAS 53299-21-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H15NO9. Molecular weight: 461.38 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C24H15NO9 |
| Molecular Weight | 461.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 2-(4-Chlorophenyl)-1-phenyl-1,5,6,7-tetrahydro-4H-indol-4-one O-(4-chlorobenzyl) oxime (CAS 400089-15-8)
- N-[(3,5-Dichlorophenyl)methoxy]-1,2-diphenyl-4,5,6,7-tetrahydro-1H-indol-4-imine (CAS 251310-40-4)
- (4Z)-1-(4-Chlorophenyl)-N-[(4-chlorophenyl)methoxy]-2-phenyl-4,5,6,7-tetrahydro-1H-indol-4-imine (CAS 338979-04-7)
- 6-(trifluoromethyl)pyridazin-3-amine (CAS 935777-24-5)
- 3-Bromo-8-hydroxyimidazo[1,2-a]pyrazine (CAS 689297-67-4)
- 2-Epi-Eprinomectin B1a (CAS CATO-C4X-21293)
- 3-Ethoxy-4-(3-phenylpropoxy)benzaldehyde (CAS 656810-26-3)
- 4-(4-Bromobenzyl)aniline (CAS 500579-43-1)
- 2,3,4-Trifluoro-N-pentylaniline (CAS 1021063-53-5)
- Peptide 441 (CAS CATO-CPTD788441)
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